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9005-37-2

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Product FOB Price Min.Order Supply Ability Supplier
Propylene Glycol Alginate
Cas No: 9005-37-2
USD $ 3.0-3.0 / Gram 1 Gram 1 Metric Ton/Year GIHI CHEMICALS CO.,LIMITED Contact Supplier
Propylene glycol alginate
Cas No: 9005-37-2
USD $ 3.0-3.0 / Kilogram 1 Kilogram 1-100 Metric Ton/Month Dayang Chem (Hangzhou) Co.,Ltd. Contact Supplier
High purity Various Specifications Propylene glycol alginate CAS:9005-37-2
Cas No: 9005-37-2
USD $ 100.0-500.0 / Gram 1 Gram 99999 Gram/Year Hangzhou Dingyan Chem Co., Ltd Contact Supplier
Thickening Agent Propyleneglycol alginate CAS 9005-37-2
Cas No: 9005-37-2
USD $ 33.0-35.0 / Kilogram 1 Kilogram 10000 Kilogram/Year Xi'an Quanao Biotech Co., Ltd. Contact Supplier
Propylene Glycol Alginate PGA 9005-37-2
Cas No: 9005-37-2
No Data 1 Metric Ton 200 Metric Ton/Month Hefei TNJ chemical industry co.,ltd Contact Supplier
Propyleneglycol alginate
Cas No: 9005-37-2
No Data No Data No Data Chemwill Asia Co., Ltd. Contact Supplier
Factory price Cosmetic PROPYLENE GLYCOL ALGINATE 9005-37-2 Manufacturer
Cas No: 9005-37-2
USD $ 0.1-0.1 / Gram 1 Gram 100 Metric Ton/Year Xi'an Xszo Chem Co., Ltd. Contact Supplier
PGA-propylene glycol alginate
Cas No: 9005-37-2
No Data 1 Metric Ton 1000 Metric Ton/Month EAST CHEMSOURCES LIMITED Contact Supplier
High quality Propylene Glycol Alginate CAS NO.9005-37-2
Cas No: 9005-37-2
USD $ 20.0-30.0 / Kilogram 1 Kilogram 5000 Metric Ton/Month Xi'an Julong Bio-Tech Co., Ltd. Contact Supplier
Propylene Glycol Alginate
Cas No: 9005-37-2
No Data 1 Metric Ton 1 Metric Ton/Year COLORCOM LTD. Contact Supplier

9005-37-2 Usage

Pharmaceutical Applications

Propylene glycol alginate is used as a stabilizing, suspending, gelling, and emulsifying agent in oral and topical pharmaceutical formulations. Typically, a concentration of 0.3–5% w/v is used, although this may vary depending upon the specific application and the grade of propylene glycol alginate used. Propylene glycol alginate is also used in cosmetics and food products.

Uses

Propylene Glycol Alginate is a gum that is the propylene glycol ester of alginic acid, which is obtained from kelp. as compared to sodium alginates, it has reduced sensitivity to acid and calcium salts. it functions in acidic systems. it functions as a thickener, stabilizer, and emulsifier in beer, salad dressings, syrups, and fruit drinks.

Safety

Propylene glycol alginate is used in oral and topical pharmaceutical formulations, cosmetics, and food products. It is generally regarded as a nontoxic and nonirritant material, although excessive oral consumption may be harmful. A study in five healthy male volunteers fed a daily intake of 175 mg/kg body-weight of propylene glycol alginate for 7 days, followed by a daily intake of 200 mg/kg body-weight of propylene glycol alginate for a further 16 days, showed no significant adverse effects. Inhalation of alginate dust may be irritant and has been associated with industrially related asthma in workers involved in alginate production. However, it appears that the cases of asthma were linked to exposure to seaweed dust rather than pure alginate dust. (hamster, oral): 7.0 g/kg (mouse, oral): 7.8 g/kg (rabbit, oral): 7.6 g/kg (rat, oral): 7.2 g/kg

Safety Profile

Mddly toxic by ingestion. When heated to decomposition it emits acrid smoke and irritating fumes.

Preparation

Derived from brown algae, also from alginic acid

Chemical Properties

Propylene glycol alginate is practically odorless and tasteless. The propylene glycol ester of alginic acid varies in composition according to its degree of esterification and the percentages of free and neutralized carboxyl groups in the molecule. For a detailed description of this compound refer to Burdock (1997).

Regulatory Status

GRAS listed. Accepted in Europe for use as a food additive. Included in the FDA Inactive Ingredients Database (oral preparations). Included in nonparenteral medicines licensed in the UK. Included in the Canadian List of Acceptable Non-medicinal Ingredients.

Uses

Pharmaceutic aid (suspending agent); pharmaceutic aid (viscosity-increasing agent).

Production Methods

Alginic acid, extracted from brown seaweed, is reacted with propylene oxide to form propylene glycol alginate. Various grades may be obtained that differ in composition according to the degree of esterification and the percentage of free and neutralized carboxyl groups present in the molecule; complete esterification of alginic acid is impractical.

storage

Propylene glycol alginate is a stable material, although it will gradually become less soluble if stored at elevated temperatures for extended periods. Propylene glycol alginate solutions are most stable at pH 3–6. In alkaline solutions, propylene glycol alginate is rapidly saponified. Alginate solutions are susceptible to microbial spoilage and should be sterilized or preserved with an antimicrobial preservative. However, sterilization processes may adversely affect the viscosity of propylene glycol alginate solutions; see Sodium Alginate.The bulk material should be stored in an airtight container in a cool, dry place.

Chemical Properties

Propylene glycol alginate occurs as a white to yellowish colored, practically odorless and tasteless, fibrous or granular powder.
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